1 /* ClassLoaderReferenceCommandSet.java -- class to implement the
2 ClassLoaderReference Command Set
3 Copyright (C) 2005 Free Software Foundation
5 This file is part of GNU Classpath.
7 GNU Classpath is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Classpath is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Classpath; see the file COPYING. If not, write to the
19 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 Linking this library statically or dynamically with other modules is
23 making a combined work based on this library. Thus, the terms and
24 conditions of the GNU General Public License cover the whole
27 As a special exception, the copyright holders of this library give you
28 permission to link this library with independent modules to produce an
29 executable, regardless of the license terms of these independent
30 modules, and to copy and distribute the resulting executable under
31 terms of your choice, provided that you also meet, for each linked
32 terms of your choice, provided that you also meet, for each linked
33 independent module, the terms and conditions of the license of that
34 module. An independent module is a module which is not derived from
35 or based on this library. If you modify this library, you may extend
36 this exception to your version of the library, but you are not
37 obligated to do so. If you do not wish to do so, delete this
38 exception statement from your version. */
41 package gnu.classpath.jdwp.processor;
43 import gnu.classpath.jdwp.JdwpConstants;
44 import gnu.classpath.jdwp.VMVirtualMachine;
45 import gnu.classpath.jdwp.exception.JdwpException;
46 import gnu.classpath.jdwp.exception.JdwpInternalErrorException;
47 import gnu.classpath.jdwp.exception.NotImplementedException;
48 import gnu.classpath.jdwp.id.ObjectId;
49 import gnu.classpath.jdwp.id.ReferenceTypeId;
51 import java.io.DataOutputStream;
52 import java.io.IOException;
53 import java.nio.ByteBuffer;
54 import java.util.ArrayList;
55 import java.util.Iterator;
58 * A class representing the ClassLoaderReference Command Set.
60 * @author Aaron Luchko <aluchko@redhat.com>
62 public class ClassLoaderReferenceCommandSet
65 public boolean runCommand(ByteBuffer bb, DataOutputStream os, byte command)
69 // Although there's only a single command to choose from we still use
70 // a switch to maintain consistency with the rest of the CommandSets
75 case JdwpConstants.CommandSet.ClassLoaderReference.VISIBLE_CLASSES:
76 executeVisibleClasses(bb, os);
79 throw new NotImplementedException("Command " + command +
80 " not found in ClassLoaderReference Command Set.");
83 catch (IOException ex)
85 // The DataOutputStream we're using isn't talking to a socket at all
86 // So if we throw an IOException we're in serious trouble
87 throw new JdwpInternalErrorException(ex);
93 public void executeVisibleClasses(ByteBuffer bb, DataOutputStream os)
94 throws JdwpException, IOException
96 ObjectId oId = idMan.readObjectId(bb);
97 ClassLoader cl = (ClassLoader) oId.getObject();
98 ArrayList loadRequests = VMVirtualMachine.getLoadRequests(cl);
99 os.writeInt(loadRequests.size());
100 for (Iterator iter = loadRequests.iterator(); iter.hasNext();)
102 Class clazz = (Class)iter.next();
103 ReferenceTypeId refId = idMan.getReferenceTypeId(clazz);
104 refId.writeTagged(os);